ebpf-exporter: init at 2.4.2

pkgs/by-name/pr/prometheus-ebpf-exporter/package.nix

@@ -0,0 +1,82 @@
+{
+  lib,
+  buildGoModule,
+  fetchFromGitHub,
+  nixosTests,
+  pkgs,
+  libbpf,
+  libelf,
+  libsystemtap,
+  libz,
+}:
+
+let
+  version = "2.4.2";
+  tag = "v${version}";
+in
+buildGoModule.override
+  {
+    stdenv = pkgs.clangStdenv;
+  }
+  {
+    name = "ebpf_exporter";
+
+    src = fetchFromGitHub {
+      inherit tag;
+      owner = "cloudflare";
+      repo = "ebpf_exporter";
+      hash = "sha256-gXzaMx9Z6LzrlDaQnagQIi183uKhJvdYiolYb8P+MIs=";
+    };
+
+    vendorHash = "sha256-GhQvPp8baw2l91OUOg+/lrG27P/D4Uzng8XevJf8Pj4=";
+
+    postPatch = ''
+      substituteInPlace examples/Makefile \
+        --replace-fail "-Wall -Werror" ""
+    '';
+
+    buildInputs = [
+      libbpf
+      libelf
+      libsystemtap
+      libz
+    ];
+
+    CGO_LDFLAGS = "-l bpf";
+
+    hardeningDisable = [ "zerocallusedregs" ];
+
+    # Tests fail on trying to access cgroups.
+    doCheck = false;
+
+    ldflags = [
+      "-s"
+      "-w"
+      "-X github.com/prometheus/common/version.Version=${version}"
+      "-X github.com/prometheus/common/version.Revision=${tag}"
+      "-X github.com/prometheus/common/version.Branch=unknown"
+      "-X github.com/prometheus/common/version.BuildUser=nix@nixpkgs"
+      "-X github.com/prometheus/common/version.BuildDate=unknown"
+    ];
+
+    postBuild = ''
+      BUILD_LIBBPF=0 make examples
+    '';
+
+    postInstall = ''
+      mkdir -p $out/examples
+      mv examples/*.o examples/*.yaml $out/examples
+    '';
+
+    passthru.tests = { inherit (nixosTests.prometheus-exporters) ebpf; };
+
+    meta = {
+      description = "Prometheus exporter for custom eBPF metrics";
+      mainProgram = "ebpf_exporter";
+      homepage = "https://github.com/cloudflare/ebpf_exporter";
+      changelog = "https://github.com/cloudflare/ebpf_exporter/releases/tag/v${tag}";
+      license = lib.licenses.mit;
+      maintainers = with lib.maintainers; [ jpds ];
+      platforms = lib.platforms.linux;
+    };
+  }